57281025

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{347}}^1$

素因数の和:462

約数の個数: 48

約数和(自身を含む): 99422208

約数和(自身を除く): 42141183

約数列:

[1, 3, 5, 15, 25, 31, 71, 75, 93, 155, 213, 347, 355, 465, 775, 1041, 1065, 1735, 1775, 2201, 2325, 5205, 5325, 6603, 8675, 10757, 11005, 24637, 26025, 32271, 33015, 53785, 55025, 73911, 123185, 161355, 165075, 268925, 369555, 615925, 763747, 806775, 1847775, 2291241, 3818735, 11456205, 19093675, 57281025]

約数ペア:

[(1, 57281025), (3, 19093675), (5, 11456205), (15, 3818735), (25, 2291241), (31, 1847775), (71, 806775), (75, 763747), (93, 615925), (155, 369555), (213, 268925), (347, 165075), (355, 161355), (465, 123185), (775, 73911), (1041, 55025), (1065, 53785), (1735, 33015), (1775, 32271), (2201, 26025), (2325, 24637), (5205, 11005), (5325, 10757), (6603, 8675)]